CN113300172A - Multi-audio-video output interface charger and control method thereof - Google Patents
Multi-audio-video output interface charger and control method thereof Download PDFInfo
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- CN113300172A CN113300172A CN202110397057.XA CN202110397057A CN113300172A CN 113300172 A CN113300172 A CN 113300172A CN 202110397057 A CN202110397057 A CN 202110397057A CN 113300172 A CN113300172 A CN 113300172A
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- H—ELECTRICITY
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- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
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- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
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Abstract
The invention provides a multi-audio and video output interface charger and a control method thereof. The photoelectric module is connected with the wire module; the wire module comprises a data wire interface and an electric energy transmission unit; the photoelectric module comprises a first photoelectric conversion module, a first optical fiber and an audio-video interface, wherein the first optical fiber is respectively connected with the first photoelectric conversion module and the first photoelectric conversion module; the first photoelectric conversion module is connected with the data line interface, connected with the audio/video interface, and used for converting the optical signal in the first optical fiber into an electrical signal and transmitting the electrical signal to the audio/video interface. Based on the characteristic of photoelectric isolation, the audio and video data are transmitted through the photoelectric module, the electric energy is transmitted through the wire module, the charging and audio and video output requirements are met, the transmission efficiency and the transmission quality of the audio and video data are improved, and meanwhile, the cost is reduced.
Description
Technical Field
The invention relates to the field of chargers, in particular to a multi-audio-video output interface charger and a control method thereof.
Background
Because with the rise of intelligent office, more and more scenes need to use screen projection operation. Most intelligent terminal equipment such as mobile phones and computers have a screen projection function.
At present, common screen projection technologies are mainly divided into wired screen projection and wireless screen projection. The wireless screen projection is not strong in applicability due to the defects of complex operation, wireless network coordination and the like, and the data transmission of the wireless screen projection is far less stable than that of a wired screen projection, so that the most common screen projection technology is the wired screen projection technology.
However, conventional wired screen projection techniques still suffer from major drawbacks. When the screen is connected and projected, a plurality of lines such as a power line and an audio and video data line are needed to be connected, and a large amount of lines are entangled during screen projection, which seriously influences user experience. In addition, the screen projection technology in the prior art only supports a single-input and single-output mode, that is, one input device can only correspond to one screen projection device. When one intelligent terminal device is used for screen projection, the only input end is occupied, other terminal devices cannot project screens, the circuits can be switched to reestablish communication between the screen projection device and the other terminal devices, and operation is complex.
Therefore, the screen projection technology in the prior art has the problems of complex circuit and single input, and a screen projection mode is needed to solve the technical problem.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a multi-audio and video output interface charger and a control method thereof. The specific technical scheme is as follows:
a multi-audio and video output interface charger comprises a shell and a circuit module, wherein the circuit module is arranged inside the shell;
the circuit module comprises a wire rod module for transmitting electric energy and a photoelectric module for transmitting optical signals, and the photoelectric module is connected with the wire rod module;
the wire module comprises a data wire interface for connecting an external data wire and an electric energy transmission unit for transmitting electric energy, and the electric energy transmission unit is connected with the data wire interface;
the photoelectric module comprises a first photoelectric conversion module, a first optical fiber and an audio-video interface, wherein the first optical fiber is respectively connected with the first photoelectric conversion module and the first photoelectric conversion module;
the first electro-optical conversion module is connected with the data line interface, and is used for converting an electric signal in the data line interface into an optical signal and transmitting the optical signal to the first electro-optical conversion module through the first optical fiber;
the first photoelectric conversion module is connected with the audio and video interface, and is used for converting the optical signal in the first optical fiber into an electrical signal and conducting the electrical signal to the audio and video interface.
In a specific embodiment, the optoelectronic module comprises a plurality of the audio/video interfaces;
each audio/video interface is connected with one first photoelectric conversion module;
or a plurality of the audio/video interfaces are connected with one first photoelectric conversion module.
In a specific embodiment, the charger further comprises a bidirectional fast charging data line;
the bidirectional quick-charging data line is connected with the data line interface and is used for transmitting electric energy and transmitting audio and video data.
In a specific embodiment, the optoelectronic module further includes a second optoelectronic conversion module, a second electro-optical conversion module, and a second optical fiber, and the second optical fiber is respectively connected to the second optoelectronic conversion module and the second electro-optical conversion module;
the second electro-optical conversion module is connected with the audio and video interface and used for converting an electric signal in the audio and video interface into an optical signal and transmitting the optical signal to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module is connected with the data line interface, and is used for converting the optical signal in the second optical fiber into an electrical signal and conducting the electrical signal to the data line interface;
the optical signal transmitted in the first optical fiber and the optical signal transmitted in the second optical fiber are opposite in direction.
In a specific embodiment, the audio/video interface is used for transmitting audio signals and video signals;
the audio/video interface comprises an HDMI interface, a DVI interface or a DP interface;
and/or the data line interface is one of a Type-c interface, a USB-A interface and a Lightning interface.
In a specific embodiment, the signal interface types of the plurality of audio/video interfaces are different.
In a specific embodiment, the first electro-optical conversion module includes an emission driving chip, a laser, an AFA optical device, and an AFA optical connector;
the first photoelectric conversion module comprises an AFA optical connector, an AFA optical device, a photoelectric detector and a receiving driving chip.
In a specific embodiment, the first electro-optical conversion module is provided with a data format conversion chip and a driving chip;
an OPO _ P pin of the data format conversion chip is connected with a TMDS0 pin of the drive chip, an OPO _ N pin of the data format conversion chip is connected with a TMDS1 pin of the drive chip, an OPO _ OUT pin of the data format conversion chip is connected with a TMDS2 pin of the drive chip, an OCP pin of the data format conversion chip is connected with a CLK pin of the drive chip, an OVP pin of the data format conversion chip is connected with a CEC pin of the drive chip, a VDET pin of the data format conversion chip is connected with an HPD pin of the drive chip, an SCK pin of the data format conversion chip is connected with an SCL pin of the drive chip, and an SDA pin of the data format conversion chip is connected with an SDA pin of the drive chip.
A control method of multi-audio and video output interface charger is suitable for the multi-audio and video output interface charger;
the method comprises a charging mode and an audio and video transmission mode, wherein the charging mode and the audio and video transmission mode can be operated simultaneously;
the charging mode includes:
the electric energy is output to the equipment to be charged through the data line interface by the electric energy transmission unit;
the audio and video transmission mode comprises the following steps:
audio and video data are input from the data line interface in the form of electric signals;
the first electro-optical conversion module acquires the electric signal in the data line interface and converts the electric signal into an optical signal;
conducting the optical signal to the first photoelectric conversion module through the first optical fiber;
the first photoelectric conversion module converts the optical signal into an electric signal and sends the electric signal to the audio/video interface;
and the audio and video interface converts the electric signal into an audio and video output format and outputs the audio and video output format.
In a specific embodiment, the audio/video transmission mode is configured to be bidirectional transmission, and the multi-audio/video output interface charger further includes a second electrical-to-optical conversion module, and a second optical fiber;
the audio and video transmission mode further comprises:
the audio/video interface acquires audio/video data, converts the audio/video data into an electric signal and sends the electric signal to the second electro-optical conversion module;
the second electro-optical conversion module converts the electrical signal into an optical signal, and the optical signal is transmitted to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module converts the optical signal into an electrical signal and transmits the electrical signal to the data line interface;
and the data line interface outputs the electric signal in a data mode.
The invention has the following beneficial effects:
the invention provides a multi-audio and video output interface charger and a control method thereof, which solve the defects of the existing screen projection technology. A multi-audio and video output interface charger creatively adds a photoelectric module on the basis of a charging data line. And carrying out charging and data transmission by utilizing the wire module. The photoelectric module is used for converting the electric signals into optical signals, transmitting the optical signals in optical fibers, converting the optical signals into the electric signals through the photoelectric conversion module, converting the electric signals into various video output formats, and outputting videos at corresponding interfaces. The charging requirement and the audio and video output requirement can be met simultaneously, and multi-interface audio and video output is supported. Utilize the fiber module to carry out video output, light signal transmission decay in optic fibre reduces, can promote transmission quality, can reduce the line simultaneously thick, increase the line length, convenience of customers uses. Based on the photoelectric isolation characteristic, the optical signal and the electric signal are output in a dual mode and a one-to-many mode without mutual interference. The method has the advantages that the transmission efficiency and the transmission quality of the audio and video data are improved, meanwhile, the cost is reduced, and the radiation quantity is reduced.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a block diagram of a multi-audio/video output interface charger according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a multi-audio-video output interface charger according to embodiment 1 of the present invention;
fig. 3 is a schematic view of a first photoelectric conversion module and a first electro-optical conversion module according to embodiment 1 of the present invention;
FIG. 4 is a diagram showing a Type-C circuit configuration proposed in embodiment 1 of the present invention;
FIG. 5 is a diagram of a Type-C to HDMI circuit according to embodiment 1 of the present invention;
fig. 6 is a circuit diagram of a driver chip and an integrated laser according to embodiment 1 of the present invention;
FIG. 7 is a circuit diagram of a connection between a photosensor and an operational amplifier according to embodiment 1 of the present invention;
fig. 8 is a circuit diagram of the operational amplifier and the HDMI interface chip according to embodiment 1 of the present invention;
fig. 9 is a block diagram of a multi-audio/video output interface charger according to embodiment 2 of the present invention;
fig. 10 is a flowchart of a control method according to embodiment 3 of the present invention.
Reference numerals: 1-a wire module; 2-a photovoltaic module; 3-a shell; 4-a metal plug; 5-a circuit module; 11-a power transfer unit; 12-data line interface; 21-a first electro-optical conversion module; 22-a first optical fiber; 23-a first photoelectric conversion module; 24-an audio-video interface; 25-a second electro-optical conversion module; 26-a second optical fiber; 27-a second photoelectric conversion module.
Detailed Description
The embodiment provides a multi-audio video output interface charger and a control method thereof aiming at the defects in the prior art, and the charger combines an audio and video data line with the charger by utilizing the isolation characteristics of light and electricity, conducts audio and video data through optical fibers, and conducts electric energy through wire rods, so that the data line can transmit the audio and video data and the electric energy, and the defects of complex circuit and single input existing in the screen projection technology in the prior art are overcome.
When the traditional data charger transmits audio and video, the electric energy can interfere the audio and video data in the transmission process, not only can the audio and video data be attenuated and part of the data be lost, but also the transmission rate of the audio and video data can be influenced, the data delay is caused, and the realization of a screen projection technology is not facilitated.
The optical fibers of the present invention are all optical fiber groups, each optical fiber group includes 8 optical fibers, and full-function transmission can be realized.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
To overcome the defects in the prior art, the embodiment provides a multi-audio/video output interface charger, which has a specific structure as shown in fig. 1 of the specification, and the specific scheme is as follows:
a multi-audio and video output interface charger comprises a shell 3 and a circuit module 5 arranged in the shell 3. The housing 3 is provided with a metal plug 4, and the metal plug 4 is electrically connected with the circuit module 5. The charger configuration includes, but is not limited to, any one of known charger configurations.
The circuit module 5 comprises a wire module 1 for transmitting electric energy and a photoelectric module 2 for transmitting optical signals, and the photoelectric module 2 is connected with the wire module 1. In the embodiment, the photoelectric module 2 is used for transmitting audio and video data, the wire module 1 is used for transmitting electric energy, and the two transmission modes are not interfered with each other based on the isolation characteristics of light and electricity. The interference of electromagnetism to audio and video data is avoided, and the loss of the audio and video data is reduced.
The wire module 1 includes a data line interface 12 and a power transmission unit 11. The data line interface 12 is connected to an external data line for transmitting power and audio and video data. The electric energy transmission unit 11 is respectively connected with the metal plug 4 and the data line interface 12, the metal plug 4 is inserted into the power supply device, electric energy enters the electric energy transmission unit 11 from the metal plug 4, and reaches the device to be charged through an external data line connected with the data line interface 12. The wire module 1 is of a conventional charger design including, but not limited to, any one of the known chargers.
In the present embodiment, the wire module 1 is mainly responsible for power transmission between devices. The metal plug 4 is inserted into an external power supply device such as a socket, and an external data line is inserted into the data line interface 12. Particularly, this embodiment provides a two-way data line that fills soon, and two interfaces of two-way data line that fill soon all adopt Type-C interface, and two-way data line that fill soon inserts data line interface 12, and wire rod module 1 can carry out two-way power transmission this moment.
It should be noted that the data line interface 12 also supports transmission of audio and video data. The audio and video data are input to the optoelectronic module 2 through the data line interface 12 in the form of electrical signals, and are received by the first electro-optical conversion module 21. The data line interface is one of a Type-c interface, a USB-A interface and a Lightning interface
The optoelectronic module 2 includes a first electrical-to-optical conversion module 21, a first optical-to-electrical conversion module 23, a first optical fiber 22, and an audio-video interface 24. The first optical fiber 22 is respectively connected with the first electro-optical conversion module 21 and the first photoelectric conversion module 23, and the first photoelectric conversion module 23 is connected with the audio/video interface 24. The first electro-optical conversion module 21 is formed by an electric signal driving module and a miniaturized laser, the first optical fiber 22 is a conventional communication optical fiber, the first electro-optical conversion module 23 is formed by a receiver and a photoelectric sensor, and the audio/video interface 24 is an audio/video data output interface and comprises interfaces such as an HDMI (high definition multimedia interface), a DVI (digital visual interface) and a DP (digital processing). The optoelectronic module 2 is a core structure of this embodiment, and is used for converting and transmitting audio/video data. The audio and video data are transmitted by the photoelectric module 2, and optical signals are transmitted by the optical fiber, so that the transmission rate can be improved, the attenuation is reduced, the line length is increased, the line thickness is not increased, the cost is reduced, and the radiation quantity is reduced.
Specifically, the first electro-optical conversion module 21 is connected to the data line interface 12 and the first optical fiber 22, respectively, and the first electro-optical conversion module 23 is connected to the first optical fiber 22 and the audio/video interface 24, respectively. The audio and video data are input to the data line interface 12 in the form of electrical signals, and received by the first electrical-to-optical conversion module 21. The first electro-optical conversion module 21 converts the electrical signal into an optical signal and transmits the optical signal to the first photoelectric conversion module 23 through the first optical fiber 22. The first photoelectric conversion module 23 is configured to convert the optical signal in the first optical fiber 22 into an electrical signal, and transmit the electrical signal to the audio/video interface 24. The conversion process of audio and video data from an electrical signal to an optical signal and then to an electrical signal is realized through the first electro-optical conversion module 21, the first optical fiber 22 and the first electro-optical conversion module 23. The principle is shown in the attached figure 2 of the specification.
The electrical signal is converted into an optical signal by the first electro-optical conversion module 21, and the optical signal is transmitted through the first optical fiber 22. The optical signal transmitted in the first optical fiber 22 has the characteristics of small attenuation, high sensitivity and no electromagnetic noise interference, and can reduce the thickness of the line and increase the length of the line while improving the transmission quality. The geometry of the first optical fiber 22 can be adjusted according to the environment requirement, the signal transmission is easy, and the use is convenient for users. The first optical fiber 22 is a convenient tool for transmitting signals, and a thin optical core in the cable can replace more than thousands of physical communication lines to complete a large amount of and long distance communication, and has the advantages of small size, light weight, long service life and low cost. Therefore, in the embodiment, the first optical fiber 22 is used for conducting the optical signal, which not only can improve the transmission quality and transmission efficiency, but also can reduce the cost and reduce the radiation amount of the copper wire.
In the present embodiment, the transmission path through the first electro-optical conversion module 21 (integrated laser), the first optical fiber 22, and the first electro-optical conversion module 23 (photo-electric sensor) utilizes the optical and electrical isolation characteristics, so that two or more lines are the same signal output, but because of the electro-optical isolation, they do not affect each other. The first electro-optical conversion module 21 includes an emission driving chip, a laser, an AFA optical device, and an AFA optical connector. The first photoelectric conversion module 23 includes a reception driving chip, a photodetector, an AFA optical device, and an AFA optical connector. As shown in figure 3 of the specification.
In particular, the audio-video interface 24 may include a plurality of, i.e., be provided with a plurality of, audio-video interfaces 24 as ports for connecting to devices. Each audio/video interface 24 is connected to one first photoelectric conversion module 23, or a plurality of audio/video interfaces 24 are connected to one first photoelectric conversion module 23, and the interfaces of each audio/video interface 24 may be the same or different. The audio-video interface 24 includes, but is not limited to, any one of known audio-video data transmission interfaces, such as an HDMI interface, a DVI interface, a DP interface, and the like. The audio/video interface 24 can be flexibly set according to application scenes, so that one line can be used for power transmission, and other lines can be used as a plurality of audio/video output lines. The plurality of audio/video interfaces 24 can ensure that a plurality of inputs or a plurality of outputs exist, and can output a plurality of paths of audio/video signals to project a screen, so that charging is realized when the screen is projected, and the stability and the quality of video transmission are not influenced.
In this embodiment, the audio/video signal transmitted by the first optical fiber 22 is transmitted in a unidirectional manner, and is first input by the data line interface 12, converted into an optical signal by the first electro-optical conversion module 21, then transmitted by the first optical fiber 22, converted into an electrical signal by the first electro-optical conversion module 23, and finally converted into a corresponding audio/video data format by the audio/video interface 24.
The specific circuit structure diagram is shown in the attached figures 4-8 in the specification. The data line interfaces take a Type-C interface as an example, and a specific Type-C circuit structure is shown in fig. 4 in the specification. The first electro-optical conversion module 21 is provided with a conversion chip for converting Type-C into HDMI, the chip is preferably CH7211A, and the circuit structure is as shown in fig. 5 of the specification. The conversion chip is connected with the driving chip, as shown in fig. 5 and 6 of the specification, the specific connection relationship is as follows: the OPO _ P pin of the conversion chip is connected with the TMDS0 pin of the driving chip, the OPO _ N pin of the conversion chip is connected with the TMDS1 pin of the driving chip, the OPO _ OUT pin of the conversion chip is connected with the TMDS2 pin of the driving chip, the OCP pin of the conversion chip is connected with the CLK pin of the driving chip, the OVP pin of the conversion chip is connected with the CEC pin of the driving chip, the VDET pin of the conversion chip is connected with the HPD pin of the driving chip, the SCK pin of the conversion chip is connected with the SCL pin of the driving chip, and the SDA pin of the conversion chip is connected with the SDA pin of the driving chip. The SCK pin and the SDA pin of the conversion chip output HDMI. The driving chip is connected with the integrated laser, and the pins P1-P8 of the integrated laser are sequentially connected with the driving chip, as shown in the figure 6 in the specification. The electrical signal is converted into an optical signal in the integrated laser, transmitted in an optical fiber, and received by the first photoelectric conversion module 23. The circuit chip of the first photoelectric conversion module 23 is shown in fig. 7 of the specification, the pins N1-N8 of the photoelectric sensor are sequentially connected to the optical fiber, the pins P1-P8 are connected to the operational amplifier, the output terminal of the operational amplifier is connected to the HDMI interface chip, and the circuit structure is shown in fig. 8 of the specification. Specifically, the TMDS2 pin is connected with the TMDS 2-pin, the TMDS1 pin is connected with the TMDS 1-pin, and the TMDS0 pin is connected with the TMDS 0-pin.
In the present embodiment, one or more first electro-optical conversion modules 21 may be provided. For example, a first electrical-to-optical conversion module 21 is provided, one first electrical-to-optical conversion module 21 is connected to a plurality of first optical fibers 22, each first optical fiber 22 is connected to one first optical-to-electrical conversion module 23, for example, a plurality of first electrical-to-optical conversion modules 21 are provided, each first electrical-to-optical conversion module 21 is connected to one first optical fiber 22, each first optical fiber 22 is connected to one first optical-to-electrical conversion module 23, each electrical-to-optical conversion module corresponds to one optical-to-electrical conversion module, so that efficient and accurate transmission in a signal transmission process can be ensured, and a plurality of electrical-to-optical conversion modules are responsible for transmission of a plurality of lines, so that the effects of simultaneous conversion and simultaneous transmission can be realized.
The embodiment provides a multi-audio and video output interface charger. Utilize the wire rod module to carry out charging and data transmission, remain the function of traditional charger. The photoelectric module is used for converting the electric signal into an optical signal, transmitting the optical signal in an optical fiber, converting the optical signal into the electric signal through the photoelectric conversion module, converting the electric signal into various video output formats, and outputting audio and video at corresponding interfaces. The embodiment designs the device which can meet the charging requirement and the audio and video output requirement at the same time and supports multi-interface video output. The optical fiber is utilized to output video, the transmission attenuation of optical signals in the optical fiber is reduced, the transmission quality can be improved, the line thickness is reduced, the line length is increased, and the use by a user is facilitated. Based on the photoelectric isolation characteristic, the optical signal and the electric signal are output in a dual mode and a one-to-many mode without mutual interference. The method has the advantages that the transmission efficiency and the transmission quality of the audio and video data are improved, meanwhile, the cost is reduced, and the radiation quantity is reduced.
Example 2
The present embodiment provides a multi-audio/video output interface charger capable of bidirectionally transmitting data based on embodiment 1. The specific structure is shown in the attached figure 9 of the specification, and the specific scheme is as follows:
in this embodiment, a set of photoelectric conversion modules and a set of electro-optical conversion modules 21 are added on the basis of embodiment 1, that is, the photoelectric module 2 in this embodiment includes two sets of photoelectric conversion modules, two sets of electro-optical conversion modules, an optical fiber, and an audio/video interface 24.
The optoelectronic module 2 further includes a second optoelectronic conversion module 27, a second electro-optical conversion module 25, and a second optical fiber 26, and the second optical fiber 26 is connected to the second optoelectronic conversion module 27 and the second electro-optical conversion module 25, respectively.
The second electro-optical conversion module 25 is connected to the audio/video interface 24, and is configured to convert an electrical signal in the audio/video interface 24 into an optical signal, and transmit the optical signal to the second photoelectric conversion module 27 through the second optical fiber 26; the second photoelectric conversion module 27 is connected to the data line interface 12, and is configured to convert an optical signal in the second optical fiber 26 into an electrical signal, and conduct the electrical signal to the data line interface 12; the optical signal transmitted in the first optical fiber 22 is in the opposite direction as the optical signal transmitted in the second optical fiber 26.
When audio and video signals are input from the data line interface 12, the first electro-optical conversion module 21 converts the electrical signals into optical signals, the first optical fiber 22 transmits the optical signals to the first photoelectric conversion module 23, the first photoelectric conversion module 23 converts the optical signals into electrical signals and transmits the electrical signals to the audio and video interface 24, and the audio and video interface 24 converts the electrical signals into corresponding audio and video formats for audio output.
When audio and video signals are input through the audio and video interface 24, the second electro-optical conversion module 25 converts the electrical signals into optical signals, the second optical fiber 26 transmits the optical signals to the second photoelectric conversion module 27, the second photoelectric conversion module 27 converts the optical signals into electrical signals and transmits the electrical signals to the data line interface 12, and the data line interface 12 is connected with an external data line to output audio.
In the present embodiment, one or more first electro-optical conversion modules 21 may be provided. For example, a first electrical-to-optical conversion module 21 is provided, one first electrical-to-optical conversion module 21 is connected to a plurality of first optical fibers 22, each first optical fiber 22 is connected to one first optical-to-electrical conversion module 23, for example, a plurality of first electrical-to-optical conversion modules 21 are provided, each first electrical-to-optical conversion module 21 is connected to one first optical fiber 22, each first optical fiber 22 is connected to one first optical-to-electrical conversion module 23, each electrical-to-optical conversion module corresponds to one optical-to-electrical conversion module, so that efficient and accurate transmission in a signal transmission process can be ensured, and a plurality of electrical-to-optical conversion modules are responsible for transmission of a plurality of lines, so that the effects of simultaneous conversion and simultaneous transmission can be realized.
In this embodiment, on the basis of embodiment 1, a group of photoelectric conversion modules is added at the data line interface 12, and a group of electro-optical conversion modules is added at the audio/video interface, so that bidirectional transmission of audio/video signals is realized, and the audio/video signals can be output from both the audio/video interface and the data line interface.
Example 3
The present embodiment provides a method for controlling a multi-audio/video output interface charger based on embodiment 1. The specific process is shown in the attached figure 10 of the specification, and the specific scheme is as follows:
a control method of a multi-audio and video output interface charger comprises a charging mode and an audio and video transmission mode. The charging mode and the audio and video transmission mode can be operated simultaneously or independently.
Specifically, the charging mode includes:
the metal plug 4 is inserted into the power supply device, electric energy is input into the electric energy and electric energy transmission unit 11 from the metal plug 4, the electric energy transmission unit 11 transmits the electric energy to the data line interface 12, the data line interface 12 is connected with an external data line, and the electric energy is output to the device to be charged through the external data line.
Specifically, the audio-video transmission mode includes:
audio and video data are input from the data line interface 12 in the form of electrical signals;
the first electro-optical conversion module 21 acquires an electrical signal in the data line interface 12 and converts the electrical signal into an optical signal;
transmitting the optical signal to the first photoelectric conversion module 23 through the first optical fiber 22;
the first photoelectric conversion module 23 converts the optical signal into an electrical signal and sends the electrical signal to the audio/video interface 24;
the audio/video interface 24 converts the electrical signal into a corresponding audio/video output format for output.
In this embodiment, a charger with multiple audio/video output interfaces in embodiment 1 is implemented as a method, so as to form a specific control method.
Example 4
The embodiment provides a control method of a multi-audio/video output interface charger on the basis of the embodiment 2. The specific scheme is as follows:
a control method of a multi-audio and video output interface charger comprises a charging mode and an audio and video transmission mode. The charging mode and the audio and video transmission mode can be operated simultaneously or independently.
Specifically, the charging mode includes:
the metal plug 4 is inserted into the power supply device, electric energy is input into the electric energy and electric energy transmission unit 11 from the metal plug 4, the electric energy transmission unit 11 transmits the electric energy to the data line interface 12, the data line interface 12 is connected with an external data line, and the electric energy is output to the device to be charged through the external data line.
Specifically, the audio/video transmission mode is bidirectional transmission, and the first output mode includes:
audio and video data are input from the data line interface 12 in the form of electrical signals;
the first electro-optical conversion module 21 acquires an electrical signal in the data line interface 12 and converts the electrical signal into an optical signal;
transmitting the optical signal to the first photoelectric conversion module 23 through the first optical fiber 22;
the first photoelectric conversion module 23 converts the optical signal into an electrical signal and sends the electrical signal to the audio/video interface 24;
the audio/video interface 24 converts the electrical signal into a corresponding audio/video output format for output.
The second output mode includes:
the audio and video data are input from the audio and video interface 24 in the form of electric signals;
the second electro-optical conversion module 25 acquires an electrical signal in the audio/video interface 24 and converts the electrical signal into an optical signal;
conducting the optical signal to the second photoelectric conversion module 27 through the second optical fiber 26;
the second photoelectric conversion module 27 converts the optical signal into an electrical signal, and outputs the electrical signal through the data line interface 12.
In this embodiment, a charger with multiple audio/video output interfaces in embodiment 2 is implemented as a method, so as to form a specific control method.
The invention provides a multi-audio and video output interface charger and a control method thereof, which solve the defects of the existing screen projection technology. And carrying out charging and data transmission by utilizing the wire module. The photoelectric module is used for converting the electric signals into optical signals, transmitting the optical signals in optical fibers, converting the optical signals into the electric signals through the photoelectric conversion module, converting the electric signals into various video output formats, and outputting videos at corresponding interfaces. Meanwhile, the charging requirement and the audio and video output requirement can be met, and multi-interface video output is supported. Utilize the fiber module to carry out video output, light signal transmission decay in optic fibre reduces, can promote transmission quality, can reduce the line simultaneously thick, increase the line length, convenience of customers uses. Based on the photoelectric isolation characteristic, the optical signal and the electric signal are output in a dual mode and a one-to-many mode without mutual interference. The method has the advantages that the transmission efficiency and the transmission quality of the audio and video data are improved, meanwhile, the cost is reduced, and the radiation quantity is reduced.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above-mentioned invention numbers are merely for description and do not represent the merits of the implementation scenarios.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. The multi-audio and video output interface charger is characterized by comprising a shell and a circuit module, wherein the circuit module is arranged in the shell;
the circuit module comprises a wire rod module for transmitting electric energy and a photoelectric module for transmitting optical signals, and the photoelectric module is connected with the wire rod module;
the wire module comprises a data wire interface for connecting an external data wire and an electric energy transmission unit for transmitting electric energy, and the electric energy transmission unit is connected with the data wire interface;
the photoelectric module comprises a first photoelectric conversion module, a first optical fiber and an audio-video interface, wherein the first optical fiber is respectively connected with the first photoelectric conversion module and the first photoelectric conversion module;
the first electro-optical conversion module is connected with the data line interface, and is used for converting an electric signal in the data line interface into an optical signal and transmitting the optical signal to the first electro-optical conversion module through the first optical fiber;
the first photoelectric conversion module is connected with the audio and video interface, and is used for converting the optical signal in the first optical fiber into an electrical signal and conducting the electrical signal to the audio and video interface.
2. The charger according to claim 1, wherein the optoelectronic module comprises a plurality of the audio-video interfaces;
each audio/video interface is connected with one first photoelectric conversion module;
or a plurality of the audio/video interfaces are connected with one first photoelectric conversion module.
3. The charger according to claim 1 or 2, wherein the charger further comprises a bidirectional fast charging data line;
the bidirectional quick-charging data line is connected with the data line interface and is used for transmitting electric energy and transmitting audio and video data.
4. The charger according to claim 1, wherein the photoelectric module further comprises a second photoelectric conversion module, and a second optical fiber, the second optical fiber connecting the second photoelectric conversion module and the second photoelectric conversion module, respectively;
the second electro-optical conversion module is connected with the audio and video interface and used for converting an electric signal in the audio and video interface into an optical signal and transmitting the optical signal to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module is connected with the data line interface, and is used for converting the optical signal in the second optical fiber into an electrical signal and conducting the electrical signal to the data line interface;
the optical signal transmitted in the first optical fiber and the optical signal transmitted in the second optical fiber are opposite in direction.
5. The charger according to claim 2, wherein the audio-video interface is configured to transmit an audio signal and a video signal;
the audio/video interface comprises an HDMI interface, a DVI interface or a DP interface;
and/or the data line interface is one of a Type-c interface, a USB-A interface and a Lightning interface.
6. The charger according to claim 5, wherein a plurality of said audio-video interfaces differ in signal interface type.
7. The charger according to claim 1, wherein the first electro-optical conversion module comprises an emission driver chip, a laser, an AFA optical device, and an AFA optical connector;
the first photoelectric conversion module comprises an AFA optical connector, an AFA optical device, a photoelectric detector and a receiving driving chip.
8. The charger according to claim 1, wherein the first electro-optical conversion module is provided with a data format conversion chip and a driving chip;
an OPO _ P pin of the data format conversion chip is connected with a TMDS0 pin of the drive chip, an OPO _ N pin of the data format conversion chip is connected with a TMDS1 pin of the drive chip, an OPO _ OUT pin of the data format conversion chip is connected with a TMDS2 pin of the drive chip, an OCP pin of the data format conversion chip is connected with a CLK pin of the drive chip, an OVP pin of the data format conversion chip is connected with a CEC pin of the drive chip, a VDET pin of the data format conversion chip is connected with an HPD pin of the drive chip, an SCK pin of the data format conversion chip is connected with an SCL pin of the drive chip, and an SDA pin of the data format conversion chip is connected with an SDA pin of the drive chip.
9. A control method of a multi-audio/video output interface charger, which is suitable for the multi-audio/video output interface charger of claim 1;
the method comprises a charging mode and an audio and video transmission mode, wherein the charging mode and the audio and video transmission mode can be operated simultaneously;
the charging mode includes:
the electric energy is output to the equipment to be charged through the data line interface by the electric energy transmission unit;
the audio and video transmission mode comprises the following steps:
audio and video data are input from the data line interface in the form of electric signals;
the first electro-optical conversion module acquires the electric signal in the data line interface and converts the electric signal into an optical signal;
conducting the optical signal to the first photoelectric conversion module through the first optical fiber;
the first photoelectric conversion module converts the optical signal into an electric signal and sends the electric signal to the audio/video interface;
and the audio and video interface converts the electric signal into an audio and video output format and outputs the audio and video output format.
10. The control method according to claim 9, wherein the audio/video transmission mode is configured as bidirectional transmission, and the multi-audio/video output interface charger further comprises a second electrical/optical conversion module, and a second optical fiber;
the audio and video transmission mode further comprises:
the audio/video interface acquires audio/video data, converts the audio/video data into an electric signal and sends the electric signal to the second electro-optical conversion module;
the second electro-optical conversion module converts the electrical signal into an optical signal, and the optical signal is transmitted to the second electro-optical conversion module through the second optical fiber;
the second photoelectric conversion module converts the optical signal into an electrical signal and transmits the electrical signal to the data line interface;
and the data line interface outputs the electric signal in a data mode.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004207787A (en) * | 2002-12-20 | 2004-07-22 | Matsushita Electric Ind Co Ltd | Audio/video data storage reproducing apparatus, transmission band control apparatus, and transmission band control method |
| CN102523438A (en) * | 2011-12-20 | 2012-06-27 | 江苏飞格光电有限公司 | Fiber-transmission digital visual interface (DVI) |
| CN205544514U (en) * | 2016-03-11 | 2016-08-31 | 深圳市普洛威电子有限公司 | Take DATA TRANSFER FUNCTIONS's integrated charger |
| CN207116839U (en) * | 2017-06-06 | 2018-03-16 | 深圳市泰衡诺科技有限公司 | Interface arrangement |
| CN207217958U (en) * | 2017-07-19 | 2018-04-10 | 深圳市迪比科电子科技有限公司 | A kind of Type c-types usb hub |
| CN109451285A (en) * | 2018-12-12 | 2019-03-08 | 深圳市埃尔法光电科技有限公司 | It is a kind of for image/video transmit broadcast system optical-electric module one divide multisystem |
| CN209267209U (en) * | 2018-12-07 | 2019-08-16 | 安克创新科技股份有限公司 | A kind of charger |
| CN110380783A (en) * | 2019-07-25 | 2019-10-25 | 深圳新亮智能技术有限公司 | A kind of bidirectional high speed AOC data line |
| CN111585454A (en) * | 2020-06-04 | 2020-08-25 | 惠州市尚霖科创电子有限公司 | Support two Type-c mouth adapters of audio and video data intercommunication |
-
2021
- 2021-04-13 CN CN202110397057.XA patent/CN113300172B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004207787A (en) * | 2002-12-20 | 2004-07-22 | Matsushita Electric Ind Co Ltd | Audio/video data storage reproducing apparatus, transmission band control apparatus, and transmission band control method |
| CN102523438A (en) * | 2011-12-20 | 2012-06-27 | 江苏飞格光电有限公司 | Fiber-transmission digital visual interface (DVI) |
| CN205544514U (en) * | 2016-03-11 | 2016-08-31 | 深圳市普洛威电子有限公司 | Take DATA TRANSFER FUNCTIONS's integrated charger |
| CN207116839U (en) * | 2017-06-06 | 2018-03-16 | 深圳市泰衡诺科技有限公司 | Interface arrangement |
| CN207217958U (en) * | 2017-07-19 | 2018-04-10 | 深圳市迪比科电子科技有限公司 | A kind of Type c-types usb hub |
| CN209267209U (en) * | 2018-12-07 | 2019-08-16 | 安克创新科技股份有限公司 | A kind of charger |
| CN109451285A (en) * | 2018-12-12 | 2019-03-08 | 深圳市埃尔法光电科技有限公司 | It is a kind of for image/video transmit broadcast system optical-electric module one divide multisystem |
| CN110380783A (en) * | 2019-07-25 | 2019-10-25 | 深圳新亮智能技术有限公司 | A kind of bidirectional high speed AOC data line |
| CN111585454A (en) * | 2020-06-04 | 2020-08-25 | 惠州市尚霖科创电子有限公司 | Support two Type-c mouth adapters of audio and video data intercommunication |
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|---|---|
| CN113300172B (en) | 2024-06-18 |
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